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Finding the Fourth Proportional to 4,304.64, 5,933.76 and 3,123.84

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Solution

The fourth proportional to 4,304.64, 5,933.76 and 3,123.84 is: 4,306.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,304.64 : 5,933.76 = 3,123.84 : x
  2. Step 2: Convert to fraction form
    4,304.64/5,933.76 = 3,123.84/x
  3. Step 3: Cross multiply
    4,304.64x = 5,933.76 × 3,123.84
  4. Step 4: Simplify right side
    4,304.64x = 18,536,116.84
  5. Step 5: Solve for x
    x = 18,536,116.84/4,304.64
  6. Step 6: Final answer
    x = 4,306.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.